This is the late thing that have drwan my attention. Corvids exhibiting complex tool-use behaviour. I knew that crows could be clever or even cunning (as in some folk tales)... but this is really fantastic: WATCH!!
Hooked Twigs Tools
Crow making and using a hooked twig in order to catch meat
Stepped-cut Tools
Crow cutting off and using a stepped-cut tool to catch meat
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